9(a-3)=-3(2a+4)

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Solution for 9(a-3)=-3(2a+4) equation:


Simplifying
9(a + -3) = -3(2a + 4)

Reorder the terms:
9(-3 + a) = -3(2a + 4)
(-3 * 9 + a * 9) = -3(2a + 4)
(-27 + 9a) = -3(2a + 4)

Reorder the terms:
-27 + 9a = -3(4 + 2a)
-27 + 9a = (4 * -3 + 2a * -3)
-27 + 9a = (-12 + -6a)

Solving
-27 + 9a = -12 + -6a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '6a' to each side of the equation.
-27 + 9a + 6a = -12 + -6a + 6a

Combine like terms: 9a + 6a = 15a
-27 + 15a = -12 + -6a + 6a

Combine like terms: -6a + 6a = 0
-27 + 15a = -12 + 0
-27 + 15a = -12

Add '27' to each side of the equation.
-27 + 27 + 15a = -12 + 27

Combine like terms: -27 + 27 = 0
0 + 15a = -12 + 27
15a = -12 + 27

Combine like terms: -12 + 27 = 15
15a = 15

Divide each side by '15'.
a = 1

Simplifying
a = 1

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